pynwb 2.0.0 creates troubles

[agiovann]

For better support, please use the template below to submit your issue. When your issue gets resolved please remember to close it.

• Tell us a bit about your setup:

1. Operating system (Linux/macOS/Windows): MAC
2. Python version (3.x): 3.7
3. Working environment (Python IDE/Jupyter Notebook/other): Spyder
4. CaImAn version*: Spyder 1.9.3
5. CaImAn installation process (pip install ./pip install -e ./conda): Indeoendent

• Describe the issue that you are experiencing NWB demo fails because of an update to pynwb. Need to updated a few files.